CN220957058U - Reverse air inlet convertible electromagnetic valve - Google Patents
Reverse air inlet convertible electromagnetic valve Download PDFInfo
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- CN220957058U CN220957058U CN202323076417.XU CN202323076417U CN220957058U CN 220957058 U CN220957058 U CN 220957058U CN 202323076417 U CN202323076417 U CN 202323076417U CN 220957058 U CN220957058 U CN 220957058U
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- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a reverse air inlet switchable electromagnetic valve, which comprises a valve body, wherein a valve core cavity for installing a valve core is formed in the valve body, a first cavity, a second cavity and a third cavity are sequentially arranged in the valve core cavity, and a first interface communicated with the second cavity, a second interface communicated with the first cavity and a third interface communicated with the third cavity are arranged on the side wall of the valve body; the side wall of the valve body is provided with a first groove and a second groove, the bottom surface of the first groove is provided with a first air hole communicated with the first chamber and a second air hole communicated with the third chamber, the first groove is internally provided with a conversion sealing gasket which can selectively block the first air hole or the second air hole, and the bottom surface of the second groove is provided with a third air hole communicated with the third chamber. The reverse air inlet convertible electromagnetic valve has the advantages of compact structure, convenient and labor-saving switching and wide application range.
Description
Technical Field
The utility model relates to an electromagnetic valve, in particular to a reverse air inlet switchable electromagnetic valve.
Background
The electromagnetic directional valve is a directional control valve with more than two flow forms and more than two oil ports. The valve is used for realizing communication, cutting-off and reversing of hydraulic oil flow and compressed air, pressure unloading and sequential action control, and the valve is controlled by the direction of the relative movement of the valve core and the valve body; the electromagnetic reversing valve is provided with a closed cavity, through holes are formed in different positions, each hole is connected with different oil pipes or air pipes, a piston (valve core) is arranged in the middle of the cavity, one end or two sides of the cavity are provided with electromagnets, the electromagnets can pull the valve core to slide when being electrified, and different oil holes or air holes are opened or closed by controlling the movement of the valve core, so that the communication or blocking of corresponding pipelines is realized.
The air inlet ends on the electromagnetic reversing valve in the prior art are fixed and cannot be changed, so that a designated valve body is needed when an air path or an oil path system is configured, and the universality is poor.
Disclosure of utility model
【1】 Technical problem to be solved
The utility model aims to solve the technical problem of providing the reverse air inlet switchable electromagnetic valve which can switch the air inlet end according to different use scenes, has good universality and wide application range.
【2】 Technical proposal for solving the problems
The utility model provides a reverse air inlet switchable electromagnetic valve, which comprises a valve body 1, wherein a valve core cavity 10 for installing a valve core 4 is formed in the valve body 1, a first cavity, a second cavity 103 and a third cavity are sequentially arranged in the valve core cavity 10, and a first interface 11 communicated with the second cavity 103, a second interface 12 communicated with the first cavity and a third interface 13 communicated with the third cavity are arranged on the side wall of the valve body 1; the side wall of the valve body 1 is provided with a first groove 140 and a second groove 150, the bottom surface of the first groove 140 is provided with a first air hole 14a communicated with the first chamber and a second air hole 14b communicated with the third chamber, the first groove 140 is internally provided with a conversion sealing gasket 2 capable of alternatively sealing the first air hole 14a or the second air hole 14b, and the bottom surface of the second groove 150 is provided with a third air hole 15 communicated with the third chamber.
Further, the first chamber comprises a first chamber I101 and a first chamber II 102, the third chamber comprises a third chamber I104 and a third chamber II 105, the first chamber I101, the first chamber II 102, the second chamber 103, the third chamber I104 and the third chamber II 105 are sequentially arranged along the axis of the spool chamber, the first air hole 14a is communicated with the first chamber I101, the third air hole 15 is communicated with the third chamber II 105, and the second air hole 14b is communicated with the third chamber I104 and/or the third chamber II 105.
Further, the first groove 140 is circular, and the first air hole 14a and the second air hole 14b are arranged symmetrically along the axis center of the first groove 140.
Further, the conversion sealing gasket 2 includes an annular sealing ring 21, a parting bead 221 is disposed on the sealing ring 21, the parting bead 221 partitions the sealing ring 21 into two sealing areas 20, and a sealing gasket 22 is disposed on one sealing area and forms a sealing portion.
Further, the side wall of the conversion sealing gasket 2 is provided with a limiting piece 23, the edge of the first groove 140 is provided with positioning grooves 141 for accommodating the clamping of the limiting piece 23 and performing radial positioning on the conversion sealing gasket, and the positioning grooves 141 are two and circumferentially uniformly distributed.
Further, the sealing ring 21 is circular, and the parting bead 221 is bar-shaped and passes through the center of the sealing ring 21.
Further, the number of the limiting pieces 23 is two, the limiting pieces are uniformly distributed in the circumferential direction, and the limiting pieces 23 are provided with marks for rapidly identifying the direction.
Further, the positioning slot is provided with a mounting hole 18, and the limiting piece 23 is provided with a hole body 230 corresponding to the mounting hole 18.
Further, the first port 11 is disposed at an upper end of the valve body 1, the second port 12 and the third port 13 are disposed at a lower end of the valve body 1, and the first air hole 14a, the second air hole 14b and the third air hole 15 are disposed at a front end of the valve body 1.
【3】 Advantageous effects
The reverse air inlet switchable electromagnetic valve is provided with the two air holes in the same groove, can be communicated, is convenient to switch and labor-saving, can adapt to different use requirements, and has a wide application range; the conversion sealing gasket is arranged, so that the quick selection of the air holes can be realized through different installation angles of the sealing gasket, and the switching is convenient; the conversion sealing gasket adopts a double-sealing-area structure, has compact structure, good sealing performance and high use reliability; the limiting piece is arranged, so that quick and accurate installation can be realized, and the assembly efficiency and the precision are high; the mark is arranged on the limiting piece, so that the direction of the conversion sealing piece can be quickly identified, the assembly efficiency is improved, and meanwhile, the influence on the tightness caused by reverse installation can be avoided; the reverse air inlet convertible electromagnetic valve has the advantages of compact structure, convenient and labor-saving switching and wide application range.
Drawings
FIG. 1 is a schematic diagram of a reverse inlet switchable solenoid valve of the present utility model;
FIG. 2 is a schematic view of the structure of the valve body of the reverse intake switchable solenoid valve of the present utility model;
FIG. 3 is a cross-sectional view of the reverse charge switchable solenoid valve of the present utility model;
FIG. 4 is a cross-sectional view of a spool chamber of the reverse inlet switchable solenoid valve of the present utility model;
FIG. 5 is a transverse cross-sectional view of the reverse charge switchable solenoid valve of the present utility model;
FIG. 6 is a longitudinal cross-sectional view of the reverse inlet switchable solenoid valve of the present utility model;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is a schematic view of the switching gasket of the reverse intake switchable solenoid valve of the present utility model;
fig. 9 is a schematic view showing another angle structure of the switching gasket of the reverse intake switchable solenoid valve of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-9, the utility model provides a reverse air inlet switchable solenoid valve, which comprises a valve body 1, wherein the valve body 1 is of a cuboid structure as a whole, a valve core cavity 10 is formed in the valve body 1, a valve core 4 is slidably arranged in the valve core cavity, a first cavity, a second cavity 103 and a third cavity are sequentially arranged in the valve core cavity 10, a first interface 11, a second interface 12 and a third interface 13 are arranged on the side wall of the valve body 1, wherein the first interface 11 is communicated with the second cavity 103, the second interface 12 is communicated with the first cavity, and the third interface 13 is communicated with the third cavity; meanwhile, a first groove 140 and a second groove 150 are arranged on the side wall of the valve body 1, a first air hole 14a and a second air hole 14b are formed in the bottom surface (end surface) of the first groove 140, wherein the first air hole 14a is communicated with a first cavity, the second air hole 14b is communicated with a third cavity, a conversion sealing gasket 2 is arranged in the first groove 140, the first air hole 14a or the second air hole 14b can be selectively blocked through different installation angles of the conversion sealing gasket 2, namely, the first air hole 14a or the second air hole 14b is selectively communicated, a third air hole 15 is formed in the bottom surface of the second groove 150, and the third air hole 15 is communicated with the third cavity; an electromagnet is arranged at one end of the valve body, a spring 41 is arranged at the other end of the valve body, and the electromagnet is connected with the valve core 4 and used for driving the electromagnet to slide, so that the communication between the first interface and the second interface, the communication between the first interface and the third interface, or the blocking between the interfaces are realized.
In the application, the first chamber comprises a first chamber I101 and a first chamber II 102, the third chamber comprises a third chamber I104 and a third chamber II 105, the first chamber I101, the first chamber II 102, the second chamber 103, the third chamber I104 and the third chamber II 105 are sequentially arranged along the axis of the valve core chamber, and the chambers are annular groove structures arranged on the inner wall of the valve core chamber; in this embodiment, an air passage 16 is formed in the valve body, the length direction of the air passage is parallel to the axis of the spool chamber, the second air hole 14b is communicated with the air passage, and simultaneously, a first hole body and a second hole body 17 are arranged on the air passage, wherein the first hole body is communicated with the third chamber I, and the second hole body is communicated with the third chamber II.
In this embodiment, the first port 11 is disposed at the upper end of the valve body 1, the second port 12 and the third port 13 are disposed at the lower end of the valve body 1, and the first air hole 14a, the second air hole 14b and the third air hole 15 are disposed at the front end of the valve body 1, that is, the first groove and the second groove are disposed at the front end of the valve body, specifically, the first groove 140 and the second groove 150 are both circular, and the first air hole 14a and the second air hole 14b are disposed symmetrically along the axis center of the first groove 140.
The conversion sealing gasket 2 is used for selectively communicating a communication state of the first air hole or the second air hole, the conversion sealing gasket 2 comprises a sealing ring 21, the sealing ring is annular, in the embodiment, the sealing ring is annular and can be just clamped into the first groove 140, a parting bead 221 is arranged on the sealing ring 21, the parting bead 221 is in a shape of a bar, penetrates through the center of the sealing ring 21 and divides the sealing ring 21 into two sealing areas 20, the two sealing areas are semicircular, the sealing gasket 22 is arranged on one sealing area, a blocking part is formed, after the conversion sealing gasket is installed, the air hole positioned in the blocking part is in a blocking state, namely, is not in a communication state, and the air hole positioned in the other sealing area is in a communication state; in order to facilitate quick and accurate positioning and installation, in the embodiment, the side wall of the conversion sealing gasket 2 is provided with a limiting piece 23, meanwhile, the edge of the first groove 140 is provided with a positioning groove 141, and the positioning groove 141 just can be used for clamping the limiting piece 23, so that the conversion sealing gasket is radially positioned, the positioning grooves 141 are uniformly distributed in two circumferential directions, and when the conversion sealing gasket is clamped and installed, one air hole is just in a communicating state, and the other air hole is in a blocking state; in order to improve the sealing reliability and facilitate quick and accurate installation, in the embodiment, the two limiting plates 23 are uniformly distributed in the circumferential direction, and meanwhile, marks are arranged on the limiting plates 23 or the sealing gasket 22, the marks are used for quickly identifying directions, the marks can be text and graphic marks, and the two limiting plates can also be made into different shapes, for example, one end part is linear, and the other end part is circular; in order to improve the connection reliability, the positioning groove is provided with a mounting hole 18, and meanwhile, the limiting piece 23 is provided with a hole body 230 corresponding to the mounting hole 18, namely, after the conversion sealing gasket is mounted, the hole body on the limiting piece 23 corresponds to the mounting hole in the positioning groove, can allow a pin shaft or a bolt to pass through, and realizes accurate and reliable mounting; in this embodiment, the sealing ring 21, the parting bead 221 and the limiting piece 23 are integrally formed by rubber injection molding, and the O-ring 3 is disposed in the second groove.
The reverse air inlet switchable electromagnetic valve is provided with the two air holes in the same groove, can be communicated, is convenient to switch and labor-saving, can adapt to different use requirements, and has a wide application range; the conversion sealing gasket is arranged, so that the quick selection of the air holes can be realized through different installation angles of the sealing gasket, and the switching is convenient; the conversion sealing gasket adopts a double-sealing-area structure, has compact structure, good sealing performance and high use reliability; the limiting piece is arranged, so that quick and accurate installation can be realized, and the assembly efficiency and the precision are high; the mark is arranged on the limiting piece, so that the direction of the conversion sealing piece can be quickly identified, the assembly efficiency is improved, and meanwhile, the influence on the tightness caused by reverse installation can be avoided; the reverse air inlet convertible electromagnetic valve has the advantages of compact structure, convenient and labor-saving switching and wide application range.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (9)
1. A reverse inlet switchable solenoid valve, characterized in that: the valve comprises a valve body, wherein a valve core cavity for installing a valve core is formed in the valve body, a first cavity, a second cavity and a third cavity are sequentially formed in the valve core cavity, and a first interface communicated with the second cavity, a second interface communicated with the first cavity and a third interface communicated with the third cavity are formed on the side wall of the valve body; the side wall of the valve body is provided with a first groove and a second groove, the bottom surface of the first groove is provided with a first air hole communicated with the first chamber and a second air hole communicated with the third chamber, the first groove is internally provided with a conversion sealing gasket which can selectively block the first air hole or the second air hole, and the bottom surface of the second groove is provided with a third air hole communicated with the third chamber.
2. The reverse intake switchable solenoid valve according to claim 1, wherein: the first chamber comprises a first chamber I and a first chamber II, the third chamber comprises a third chamber I and a third chamber II, the first chamber I, the first chamber II, the second chamber, the third chamber I and the third chamber II are sequentially arranged along the axis of the valve core chamber, the first air hole is communicated with the first chamber I, the third air hole is communicated with the third chamber II, and the second air hole is communicated with the third chamber I and/or the third chamber II.
3. The reverse intake switchable solenoid valve according to claim 1, wherein: the first groove is circular, and the first air hole and the second air hole are arranged along the center of the axis of the first groove in a symmetrical mode.
4. The reverse intake switchable solenoid valve according to claim 1, wherein: the conversion sealing gasket comprises an annular sealing ring, a parting bead is arranged on the sealing ring, the parting bead divides the sealing ring into two sealing areas, and one sealing area is provided with the sealing gasket and forms a plugging part.
5. The reverse intake switchable solenoid valve according to claim 1, wherein: the lateral wall of conversion sealing pad is equipped with spacing piece, the border of first recess is equipped with holds spacing piece card is gone into and is right conversion sealing pad carries out radial positioning's constant head tank, the constant head tank is two and circumference equipartition.
6. The reverse intake switchable solenoid valve according to claim 4, wherein: the sealing ring is circular, and the parting bead is bar-shaped and penetrates through the circle center of the sealing ring.
7. The reverse intake switchable solenoid valve according to claim 5, wherein: the limiting sheets are circumferentially and uniformly distributed, and the limiting sheets are provided with marks for rapidly identifying directions.
8. The reverse intake switchable solenoid valve according to claim 5, wherein: and the locating groove is provided with a mounting hole, and the limiting piece is provided with a hole body corresponding to the mounting hole.
9. The reverse intake switchable solenoid valve according to claim 1, wherein: the first interface is arranged at the upper end of the valve body, the second interface and the third interface are arranged at the lower end of the valve body, and the first air hole, the second air hole and the third air hole are arranged at the front end of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076417.XU CN220957058U (en) | 2023-11-14 | 2023-11-14 | Reverse air inlet convertible electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076417.XU CN220957058U (en) | 2023-11-14 | 2023-11-14 | Reverse air inlet convertible electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957058U true CN220957058U (en) | 2024-05-14 |
Family
ID=91011214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323076417.XU Active CN220957058U (en) | 2023-11-14 | 2023-11-14 | Reverse air inlet convertible electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957058U (en) |
-
2023
- 2023-11-14 CN CN202323076417.XU patent/CN220957058U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |